Kalshi built a $22 billion company by taking its own federal regulator to court and winning. Now it reportedly wants investors to pay nearly double for the fight that made it.
The Information reported this month that Kalshi is in advanced talks to raise at least $750 million at a roughly $40 billion valuation, with Sequoia Capital and Wellington Management weighing whether to co-lead. Nothing’s closed and the company hasn’t confirmed it, so treat those figures as reported, not final. But the trajectory is real. Kalshi raised $1 billion at a reported $22 billion valuation in May, and press reports put its annualized revenue near $4 billion as of July, up from a rounding error two years ago. Sports contracts reportedly drive more than 80% of that volume.
That’s the setup. Here’s the tension.
Kalshi is regulated by the CFTC, and that federal status is the whole moat. It’s why a $1.3 trillion shop like Wellington can even look at the cap table. It’s why Sequoia has publicly pegged Kalshi at roughly 95% of the U.S. prediction market. Being the compliant one is the product.
It’s also the target. More than a dozen states are challenging Kalshi’s sports contracts as unlicensed gambling, with reported actions ranging from outright bans to, in Arizona, criminal charges. The exact contracts printing the revenue are the exact contracts under legal fire.
One of the models in my book is Inversion. Instead of asking how something wins, you ask what has to be true for it to break. Flip Kalshi and the answer gets uncomfortable, because the bull case and the bear case are the same sentence. Federal regulation preempts state gambling law, right up until a court decides it doesn’t. The moat and the landmine are the same piece of ground.
Most people reading the $40 billion headline are pricing the upside: revenue, market share, an IPO the CEO has said he’s considering for 2027. Invert it and you’re really pricing one question. Does the CFTC framework hold against the states? Everything else is a footnote to that.
I’ve built inside regulated markets long enough to respect the trade. At /mkt we work under Reg A+ with tZERO as the trading infrastructure, and that framework is slow and expensive on purpose. You inherit its protection and its fights at the same time. You don’t get to keep one without the other. That’s not a bug of building in regulated markets. It’s the whole deal you sign.
So here’s the contrarian read. A $40 billion price on a company whose core product is being called illegal in a dozen states isn’t really a bet on prediction markets. It’s a bet on one legal question resolving one way. That might turn out to be a great bet. Just name the bet you’re actually making before you make it.
If this was useful, share it with someone who builds things. And if you want the full toolkit of 50 mental models, you can grab my book, Mental Models: How to Think, Act, and Win, on Amazon right now.
Disclaimer: This post is for informational and educational purposes only and is not investment, legal, or financial advice, nor a recommendation to buy, sell, or hold any security or interest in any company mentioned. Kalshi is a private company; all valuations are point-in-time and as reported by the press. The reported $750 million raise and roughly $40 billion valuation were reported by The Information citing unnamed sources, have not been confirmed by Kalshi, and were not closed as of this writing. Revenue, volume, and market-share figures are as reported by the press and have not been independently verified. Author affiliation disclosure: Spencer Gareiss is Chief Product Officer at /mkt; the /mkt reference is included as a structural example of building in regulated markets, not as a solicitation or endorsement.
If you want the mental models behind breakdowns like this, my book, Mental Models: How to Think, Act, and Win, is on Amazon now.


This post is for informational and educational purposes only. It is not investment advice, a recommendation, or a solicitation to buy or sell any security. Funding figures, revenue, and valuation are as reported by the company, regulatory filings, and named outlets; the ~$470M valuation is a reported, time-sensitive snapshot and not independently verified. Dhoni's individual investment amount was not disclosed. The /mkt reference is a structural illustration of building in regulated markets and is not an offer or solicitation. Past performance and third-party investment decisions do not indicate future results.



